Home / 29,260.97-40,379.84-15,831.93

Finding the Fourth Proportional to 29,260.97, 40,379.84 and 15,831.93

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Solution

The fourth proportional to 29,260.97, 40,379.84 and 15,831.93 is: 21,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,260.97 : 40,379.84 = 15,831.93 : x
  2. Step 2: Convert to fraction form
    29,260.97/40,379.84 = 15,831.93/x
  3. Step 3: Cross multiply
    29,260.97x = 40,379.84 × 15,831.93
  4. Step 4: Simplify right side
    29,260.97x = 639,290,598.39
  5. Step 5: Solve for x
    x = 639,290,598.39/29,260.97
  6. Step 6: Final answer
    x = 21,847.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.